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  1.  
  2. import java.io.*;
  3. import java.io.PrintWriter;
  4. import java.util.*;
  5. class rev
  6. {
  7. public static void main(String args[])throws IOException
  8. {
  9. BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  10. PrintWriter out = new PrintWriter(System.out);
  11. int o=0;
  12. int t=Integer.parseInt(in.readLine());
  13. for(o=0;o<2*t;o++)
  14. {
  15.  
  16. String line=in.readLine();
  17. if(line!=" ")
  18. {
  19. StringTokenizer ab=new StringTokenizer(line);
  20. int n=ab.countTokens();
  21. String str[]=new String[n];
  22.  
  23. int i=0;
  24. while(ab.hasMoreTokens())
  25. {
  26. str[i]=ab.nextToken();
  27. i=i+1;
  28. }
  29. int j=i;
  30. i=0;
  31. long k=0;
  32.  
  33. for(i=0;i<j;i++)
  34. {
  35. if(str[i].equals("+"))
  36. {
  37. k=Long.parseLong(str[i-1])+Long.parseLong(str[i+1]);
  38. str[i+1]=Long.toString(k);
  39. }
  40. if(str[i].equals("*"))
  41. {
  42. k=Long.parseLong(str[i-1])*Long.parseLong(str[i+1]);
  43. str[i+1]=Long.toString(k);
  44. }
  45. if(str[i].equals("/"))
  46. {
  47. k=Long.parseLong(str[i-1])/Long.parseLong(str[i+1]);
  48. str[i+1]=Long.toString(k);
  49. }
  50.  
  51. }
  52. if(k!=0)
  53. out.println(k);
  54. }
  55.  
  56. }
  57. out.flush();
  58. }
  59. }
Success #stdin #stdout 0.08s 380160KB
comments (?)
stdin
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4

1 + 1 * 2 =

29 / 5 =

103 * 103 * 5 =

50 * 40 * 250 + 791 =
stdout
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4
5
53045
500791
https://ideone.com/sOYd8J
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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